Radar Satellite Currents Severe Forecasts Climate Tropical Rivers Live Search Map
Temperature Change Precipitation Yesterday Records Normals Drought Short-Term Long-Term
Climatological Normals

September Normals for Helena, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 50 79 64 0.05 4 3 2 49 79 64 0.05 4 3 3 49 78 64 0.04 4 3 4 49 78 63 0.04 5 3 5 48 77 63 0.04 5 3 6 48 77 62 0.04 5 2 7 48 76 62 0.04 5 2 8 47 76 62 0.04 5 2 9 47 75 61 0.04 6 2 10 47 75 61 0.04 6 2 11 46 74 60 0.04 6 2 12 46 74 60 0.04 6 1 13 46 74 60 0.04 7 1 14 46 73 59 0.04 7 1 15 45 73 59 0.04 7 1 16 45 72 59 0.04 7 1 17 45 72 58 0.04 7 1 18 45 72 58 0.04 8 1 19 44 71 58 0.04 8 1 20 44 71 58 0.04 8 1 21 44 70 57 0.04 8 1 22 44 70 57 0.04 9 1 23 44 70 57 0.04 9 0 24 44 69 56 0.04 9 0 25 43 69 56 0.04 9 0 26 43 69 56 0.04 9 0 27 43 68 56 0.04 10 0 28 43 68 56 0.04 10 0 29 43 68 55 0.04 10 0 30 43 67 55 0.04 10 0 Month 46 73 59 1.22 213 38 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather